#666EB6

#666EB6

Color Values

HEX

#666EB6

RGB

102, 110, 182

HSL

234,0, 35,4%, 55,7%

HSV

234,0, 44,0%, 71,4%

CMYK

44,0%, 39,6%, 0,0%, 28,6%

OKLCH

0,5638 0,1112 277,4

Properties

Cool Dark Nearest: Indigo

Color Harmonies

Complementary

#666EB6

#B6AE66

Analogous

#6696B6

#8666B6

#666EB6

Triadic

#666EB6

#B6666E

#6EB666

Split Complementary

#666EB6

#B68666

#96B666

Tetradic

#666EB6

#B66696

#B6AE66

#66B686

Color Blindness Simulation

Original

#666EB6

Protanopia

#696AA5

Deuteranopia

#6968A0

Tritanopia

#669794

Achromatopsia

#717171

CSS Usage

background-color: #666EB6;
color: #666EB6;
border-color: #666EB6;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F5F6FA
100
#E8E9F3
200
#CFD1E8
300
#ACB0D7
400
#7F86C2
500
#525BAD
600
#42498A
700
#353A6E
800
#292E56
900
#212440
950
#151728

Contrast Checker

Text on white

4,7:1

AA Pass AAA Fail

Text on black

4,47:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026